jdtools provides useful functions for a variety of programming challenges in R such as saving and loading R objects, creating and manipulating directories/files in R (with RStudio), manipulating strings and vectors, and interacting with R users via the command-line.
You can install and load the development version of jdtools from GitHub as follows:
if (!require("remotes")) install.packages("remotes")
remotes::install_github("jdtrat/jdtools")
library(jdtools)